mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 567

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 20
Interrupt (INTV1)
20.1
This section describes the functionality of the interrupt (INT) sub-block of the S12 core platform.
A block diagram of the interrupt sub-block is shown in
Freescale Semiconductor
Introduction
VECTOR REQUEST
WRITE DATA BUS
RESET FLAGS
INTERRUPTS
XMASK
IMASK
MC9S12HZ256 Data Sheet, Rev. 2.05
Figure 20-1. INT Block Diagram
INTERRUPT INPUT REGISTERS
AND CONTROL REGISTERS
HIGHEST PRIORITY
I-INTERRUPT
PRIORITY DECODER
QUALIFIED
INTERRUPTS
HPRIO (OPTIONAL)
INT
Figure
20-1.
READ DATA BUS
WAKEUP
INTERRUPT PENDING
VECTOR ADDRESS
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